An adventure serial presented in 12 chapters. Inventor Thomas Edmunds uses a super plane, 'The Phantom,' to protect his new anti-gravity invention, the Contragrav, from theft.
1918
1920
1931
1942
1917
1914
1943
1946
1945
1944
1947
1950
1915
1941
1939
1919
1949
1940
1937